US5883798A - Voltage/current conversion circuit - Google Patents
Voltage/current conversion circuit Download PDFInfo
- Publication number
- US5883798A US5883798A US08/941,199 US94119997A US5883798A US 5883798 A US5883798 A US 5883798A US 94119997 A US94119997 A US 94119997A US 5883798 A US5883798 A US 5883798A
- Authority
- US
- United States
- Prior art keywords
- type mosfet
- terminal
- input terminal
- voltage
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 88
- 230000005669 field effect Effects 0.000 claims description 6
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 8
- 230000007423 decrease Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
- G05F3/242—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
- G05F3/247—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage producing a voltage or current as a predetermined function of the supply voltage
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
Abstract
Description
Id=Vb/Rds Eqn. 2
Vb/Rds=Kn· A·{Va-Vb-(Vb+Vtn)/A}!.sup.2 Eqn. 3
{Va-Vb-(Vb+Vtn)/A}.sup.2 =Vb/(Rds·Kn·A.sup.2)Eqn. 4
(Va-Vb).sup.2 ≈0, leading to
Va≈Vb Eqn. 5
Id=(VDD-Vb)/Rds Eqn. 7
(VDD-Vb)/Rds=Kp· A·{Vb-Va-(Vb+Vtp)/A}!.sup.2
{Vb-Va-(Vb+Vtp)/A}.sup.2 =(VDD-Vb)/(Rds·Kp·A.sup.2)Eqn. 8
(Vb-Va).sup.2 ≈0, leading to Eqn. 9
Va≈Vb
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8-258305 | 1996-09-30 | ||
JP8258305A JP2891297B2 (en) | 1996-09-30 | 1996-09-30 | Voltage-current converter |
Publications (1)
Publication Number | Publication Date |
---|---|
US5883798A true US5883798A (en) | 1999-03-16 |
Family
ID=17318415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/941,199 Expired - Lifetime US5883798A (en) | 1996-09-30 | 1997-09-30 | Voltage/current conversion circuit |
Country Status (2)
Country | Link |
---|---|
US (1) | US5883798A (en) |
JP (1) | JP2891297B2 (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5986910A (en) * | 1997-11-21 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Voltage-current converter |
US6466081B1 (en) * | 2000-11-08 | 2002-10-15 | Applied Micro Circuits Corporation | Temperature stable CMOS device |
US6586980B1 (en) * | 2000-03-31 | 2003-07-01 | Stmicroelectronics, Inc. | Driver circuit having a slew rate control system with improved linear ramp generator including ground |
US20030210219A1 (en) * | 2002-03-13 | 2003-11-13 | Semiconductor Energy Laboratory Co., Ltd. | Electric circuit, latch circuit, display apparatus and electronic equipment |
US20040061542A1 (en) * | 2002-09-25 | 2004-04-01 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, nand, nor and shift register |
US20040174199A1 (en) * | 2001-07-06 | 2004-09-09 | Martin Simon | Multiplier circuit |
US20050007164A1 (en) * | 2003-03-28 | 2005-01-13 | Callahan Michael J. | Driver circuit having a slew rate control system with improved linear ramp generator including ground |
US20050225024A1 (en) * | 2004-04-06 | 2005-10-13 | Williamson Randal S | Imaging apparatus having an automatic sheet feeder |
US20060103454A1 (en) * | 2004-11-13 | 2006-05-18 | Lyon Jason P | Temperature compensated FET constant current source |
US20060233293A1 (en) * | 2005-04-19 | 2006-10-19 | Semiconductor Energy Laboratory Co., Ltd. | Shift register, display device, and electronic device |
US20070063948A1 (en) * | 2005-09-22 | 2007-03-22 | Nec Electronics Corporation | Grayscale voltage generating circuit |
US20080042735A1 (en) * | 2006-06-14 | 2008-02-21 | Fujitsu Limited | Signal-level detecting apparatus, optical receiver, and signal-level detecting method |
US7573252B1 (en) * | 2004-06-07 | 2009-08-11 | National Semiconductor Corporation | Soft-start reference ramp and filter circuit |
US7602215B2 (en) | 2004-06-14 | 2009-10-13 | Semiconductor Energy Laboratory Co., Ltd. | Shift register and semiconductor display device |
US20090302825A1 (en) * | 2008-06-04 | 2009-12-10 | Raydium Semiconductor Corporation | Current source |
US20110109373A1 (en) * | 2009-11-12 | 2011-05-12 | Green Solution Technology Co., Ltd. | Temperature coefficient modulating circuit and temperature compensation circuit |
EP2592521A3 (en) * | 2011-11-03 | 2013-11-20 | Dust Networks Inc. | Methods and circuits for providing stable current and voltage references based on currents flowing through ultra-thin dielectric layer components |
US8981833B2 (en) | 2012-11-01 | 2015-03-17 | Dust Networks, Inc | Methods and circuits for providing stable current and voltage references based on currents flowing through ultra-thin dielectric layer components |
CN107463201A (en) * | 2017-08-02 | 2017-12-12 | 中国电子科技集团公司第二十四研究所 | A kind of Voltage-current conversion circuit and device |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6382443B1 (en) | 1999-04-28 | 2002-05-07 | Owens-Illinois Closure Inc. | Tamper-indicating closure with lugs on a stop flange for spacing the flange from the finish of a container |
JP2002354195A (en) * | 2001-05-29 | 2002-12-06 | Hamamatsu Photonics Kk | Signal processing circuit and solid-state image pickup device |
TW200937841A (en) * | 2008-02-29 | 2009-09-01 | Holtek Semiconductor Inc | Voltage-to-current converter circuit |
CN108491022A (en) * | 2017-05-09 | 2018-09-04 | 常州爱上学教育科技有限公司 | Power module and working method based on compensation circuit, filter circuit |
US10845832B2 (en) | 2018-09-10 | 2020-11-24 | Analog Devices International Unlimited Company | Voltage-to-current converter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906332A (en) * | 1972-11-18 | 1975-09-16 | Itt | Integrated circuit current supply |
US4399374A (en) * | 1980-03-17 | 1983-08-16 | U.S. Philips Corporation | Current stabilizer comprising enhancement field-effect transistors |
US4453121A (en) * | 1981-12-21 | 1984-06-05 | Motorola, Inc. | Reference voltage generator |
US4727309A (en) * | 1987-01-22 | 1988-02-23 | Intel Corporation | Current difference current source |
-
1996
- 1996-09-30 JP JP8258305A patent/JP2891297B2/en not_active Expired - Fee Related
-
1997
- 1997-09-30 US US08/941,199 patent/US5883798A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3906332A (en) * | 1972-11-18 | 1975-09-16 | Itt | Integrated circuit current supply |
US4399374A (en) * | 1980-03-17 | 1983-08-16 | U.S. Philips Corporation | Current stabilizer comprising enhancement field-effect transistors |
US4453121A (en) * | 1981-12-21 | 1984-06-05 | Motorola, Inc. | Reference voltage generator |
US4727309A (en) * | 1987-01-22 | 1988-02-23 | Intel Corporation | Current difference current source |
Cited By (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5986910A (en) * | 1997-11-21 | 1999-11-16 | Matsushita Electric Industrial Co., Ltd. | Voltage-current converter |
US6586980B1 (en) * | 2000-03-31 | 2003-07-01 | Stmicroelectronics, Inc. | Driver circuit having a slew rate control system with improved linear ramp generator including ground |
US6466081B1 (en) * | 2000-11-08 | 2002-10-15 | Applied Micro Circuits Corporation | Temperature stable CMOS device |
US6686797B1 (en) | 2000-11-08 | 2004-02-03 | Applied Micro Circuits Corporation | Temperature stable CMOS device |
US20040174199A1 (en) * | 2001-07-06 | 2004-09-09 | Martin Simon | Multiplier circuit |
US7109961B2 (en) * | 2002-03-13 | 2006-09-19 | Semiconductor Energy Laboratory Co., Ltd. | Electric circuit, latch circuit, display apparatus and electronic equipment |
US20030210219A1 (en) * | 2002-03-13 | 2003-11-13 | Semiconductor Energy Laboratory Co., Ltd. | Electric circuit, latch circuit, display apparatus and electronic equipment |
US20060262062A1 (en) * | 2002-03-13 | 2006-11-23 | Semiconductor Energy Laboratory Co., Ltd. | Electric circuit, latch circuit, display apparatus and electronic equipment |
US7705843B2 (en) | 2002-03-13 | 2010-04-27 | Semiconductor Energy Laboratory Co., Ltd. | Electric circuit, latch circuit, display apparatus and electronic equipment |
US20090201077A1 (en) * | 2002-09-25 | 2009-08-13 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, nand, nor and shift register |
US8432385B2 (en) | 2002-09-25 | 2013-04-30 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, NAND, NOR and shift register |
US20080150587A1 (en) * | 2002-09-25 | 2008-06-26 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, NAND, NOR and shift register |
US8264254B2 (en) | 2002-09-25 | 2012-09-11 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, NAND, NOR and shift register |
US20040061542A1 (en) * | 2002-09-25 | 2004-04-01 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, nand, nor and shift register |
US7535259B2 (en) | 2002-09-25 | 2009-05-19 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, NAND, NOR and shift register |
US7327169B2 (en) | 2002-09-25 | 2008-02-05 | Semiconductor Energy Laboratory Co., Ltd. | Clocked inverter, NAND, NOR and shift register |
US6927610B2 (en) | 2003-03-28 | 2005-08-09 | Stmicroelectronics, Inc. | Driver circuit having a slew rate control system with improved linear ramp generator including ground |
US6900672B2 (en) | 2003-03-28 | 2005-05-31 | Stmicroelectronics, Inc. | Driver circuit having a slew rate control system with improved linear ramp generator including ground |
US20050007164A1 (en) * | 2003-03-28 | 2005-01-13 | Callahan Michael J. | Driver circuit having a slew rate control system with improved linear ramp generator including ground |
US20050225024A1 (en) * | 2004-04-06 | 2005-10-13 | Williamson Randal S | Imaging apparatus having an automatic sheet feeder |
US7131644B2 (en) * | 2004-04-06 | 2006-11-07 | Lexmark International, Inc. | Imaging apparatus having an automatic sheet feeder |
US7573252B1 (en) * | 2004-06-07 | 2009-08-11 | National Semiconductor Corporation | Soft-start reference ramp and filter circuit |
US7843217B2 (en) | 2004-06-14 | 2010-11-30 | Semiconductor Energy Laboratories Co., Ltd. | Shift register and semiconductor display device |
US8664976B2 (en) | 2004-06-14 | 2014-03-04 | Semiconductor Energy Laboratory Co., Ltd. | Shift register and semiconductor display device |
US7602215B2 (en) | 2004-06-14 | 2009-10-13 | Semiconductor Energy Laboratory Co., Ltd. | Shift register and semiconductor display device |
US8035415B2 (en) | 2004-06-14 | 2011-10-11 | Semiconductor Energy Laboratory Co., Ltd. | Shift register and semiconductor display device |
US20100034338A1 (en) * | 2004-06-14 | 2010-02-11 | Semiconductor Energy Laboratory Co., Ltd. | Shift register and semiconductor display device |
US20110068824A1 (en) * | 2004-06-14 | 2011-03-24 | Semiconductor Energy Laboratory Co., Ltd. | Shift register and semiconductor display device |
US7123081B2 (en) * | 2004-11-13 | 2006-10-17 | Agere Systems Inc. | Temperature compensated FET constant current source |
US20060103454A1 (en) * | 2004-11-13 | 2006-05-18 | Lyon Jason P | Temperature compensated FET constant current source |
US7688107B2 (en) | 2005-04-19 | 2010-03-30 | Semiconductor Energy Laboratory Co., Ltd. | Shift register, display device, and electronic device |
US20060233293A1 (en) * | 2005-04-19 | 2006-10-19 | Semiconductor Energy Laboratory Co., Ltd. | Shift register, display device, and electronic device |
US8212754B2 (en) * | 2005-09-22 | 2012-07-03 | Renesas Electronics Corporation | Grayscale voltage generating circuit providing control of grayscale resistor current |
US20070063948A1 (en) * | 2005-09-22 | 2007-03-22 | Nec Electronics Corporation | Grayscale voltage generating circuit |
US20080042735A1 (en) * | 2006-06-14 | 2008-02-21 | Fujitsu Limited | Signal-level detecting apparatus, optical receiver, and signal-level detecting method |
US7683676B2 (en) * | 2006-06-14 | 2010-03-23 | Fujitsu Limited | Signal-level detecting apparatus, optical receiver, and signal-level detecting method |
US20090302825A1 (en) * | 2008-06-04 | 2009-12-10 | Raydium Semiconductor Corporation | Current source |
US20110109373A1 (en) * | 2009-11-12 | 2011-05-12 | Green Solution Technology Co., Ltd. | Temperature coefficient modulating circuit and temperature compensation circuit |
EP2592521A3 (en) * | 2011-11-03 | 2013-11-20 | Dust Networks Inc. | Methods and circuits for providing stable current and voltage references based on currents flowing through ultra-thin dielectric layer components |
US8981833B2 (en) | 2012-11-01 | 2015-03-17 | Dust Networks, Inc | Methods and circuits for providing stable current and voltage references based on currents flowing through ultra-thin dielectric layer components |
CN107463201A (en) * | 2017-08-02 | 2017-12-12 | 中国电子科技集团公司第二十四研究所 | A kind of Voltage-current conversion circuit and device |
CN107463201B (en) * | 2017-08-02 | 2018-10-19 | 中国电子科技集团公司第二十四研究所 | A kind of Voltage-current conversion circuit and device |
Also Published As
Publication number | Publication date |
---|---|
JPH10107557A (en) | 1998-04-24 |
JP2891297B2 (en) | 1999-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: NEC CORPORATION, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YAMAGUCHI, MOTOI;REEL/FRAME:008755/0331 Effective date: 19970924 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
AS | Assignment |
Owner name: NEC ELECTRONICS CORPORATION, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NEC CORPORATION;REEL/FRAME:013798/0626 Effective date: 20021101 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |
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AS | Assignment |
Owner name: RENESAS ELECTRONICS CORPORATION, JAPAN Free format text: CHANGE OF NAME;ASSIGNOR:NEC ELECTRONICS CORPORATION;REEL/FRAME:025183/0589 Effective date: 20100401 |